Unit 3 Review

Which of the following processes results in the separation of Earth into three layers?

• accretion

• collision

• differentiation

• explosion

In which stage of Earth formation did scientists assume the formation of moon?

• accretion

• collision

• differentiation

• explosion

Tags

NGSS.HS-ESS1-6

Which is the earliest era on the geologic time scale?

• Archean

• Hadean

• Phanerozoic

• Proterozoic

Tags

NGSS.MS-ESS1-4

What epoch is Earth currently into?

• Eocene

• Holocene

• Miocene

• Paleocene

Which era is known as the Age of Reptiles and Dinosaurs?

• Cenozoic

• Mesozoic

• Paleozoic

• Phanerozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which era is also called the Age of Mammals?

• Cenozoic

• Mesozoic

• Paleozoic

• Phanerozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

In which era does Cambrian explosion take place?

• Cenozoic

• Mesozoic

• Paleozoic

• Phanerozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Why is Cambrian explosion a significant event in geologic history?

• Many organisms have gone extinct during this period

• Many organisms have rapidly evolved during this period

• Many organisms have remained the same throughout this period

• Many organisms have migrated to another place during this period

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What happens during a mass extinction?

• There is a rapid destruction of habitat

• There is a sharp spike in the birth of new species

• There is a sharp spike in the extinction of species

• There is a rapid growth in organisms’ populations

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-1

Which is the largest extinction that took place on Earth?

• Cretaceous

• Devonian

• Permian

• Triassic-Jurassic

Tags

NGSS.MS-LS4-1